... GB ,JIS,DIN Material: Q345,Q235,sandwich panel,corrugated steel plate Commoditsteel structure workshop SpecificationsStandard GB ,AISI , ASTM , ... & Grade Q235 , Q345,H C Z steel . sandwich panel , corrugated plate Dimensions 10sqm—100000sqm , length ,width and height ... installation ,easy disassembly and moving ,light for transportation3, High-strength ,heat and sound insulation , fire proofing & water ...